﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;

namespace ProgNetUtils.TypeConverters
{
    public class ArrayStringConverter : TypeConverter
    {
        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
        {
            if (sourceType == typeof(string))
                return true;
            return base.CanConvertFrom(context, sourceType);
        }
        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        {
            if (destinationType == typeof(string))
                return true;
            return base.CanConvertTo(context, destinationType);
        }
        
        public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
        {
            if(value != null && value is string)
                return value.ToString().Split(',');
            return base.ConvertFrom(context, culture, value);
        }
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
        {
            if (destinationType == typeof(string))
            {
                if(value != null)
                {
                    string str = "";
                    foreach (string s in (value as string[]))
                    {
                        if (str != "")
                            str += ",";
                        str += s;
                    }
                    return str;
                }
            }
            return base.ConvertTo(context, culture, value, destinationType);
        }
        
    }
}
